Model - Power Guard PG650VA-PS 650VA, Type - Offline UPS, Input Voltage (V) - 145-280 VAC, Output Voltage (V) - 220-230 VAC +/-10%, Frequency (Hz) - 50-60Hz +/-5%, Transfer Rate (ms) - 2-6 ms Typical, Battery(Qty with V & A) - 1 pc with 12V & 8.2Ah, Load Capacity (Watt) - 390 W, Back up time(Full load) - 15-20 Minutes (1PC & 1 Monitor), Fuse - Yes, LED Display - Yes, Body Materials - Metal, Cable Length (Meter) - 0.86 Meter, Output connection (Back side) - 2 Port, Stabilizer (Built In) - Yes, Net Weight(kg) - 5.5 Kg, Others - Metal Body, Specialty - Automatic voltage ragulation (AVR) High/Low Voltage Protection Overload/Short Protection Cool start computer even there is no main power Automatic recharge even UPS is off Beeping Alarm Frequency Selection Automatically Intelligent Battery Management Compatibility with generators., Dimension - 81.28 x 304.8 x 139.7 mm, Warranty - 01 Year Battery & 02 Years Service with Spare Parts, Country of Origin - China, Made in/ Assemble - China